Sram crankset rival e1 black

Our most advanced aluminum road crankset is also our most stunning. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio with material only where it’s needed. Integrated chainrings deliver flawless shifting in ranges that fit your needs with the whole package coming in over 50 grams lighter than the previous generation. - x-range gearing technology gives you more range and a smoother gear progression so you’re always in the right gear - crisp and accurate front shifts - dub bottom bracket adds durability and simplicity - 48/35t and 46/33t ch